In-flight directivity and sound power measurement of small-scale unmanned aerial systems

Topical Issue - Aeroacoustics: state of art and future trends

Open Access

Table 5

Important parameters for the directed sample collection.

Microphones	64, 2.1 m ring
Sampling rate	51,200 Hz
Evaluation grid	EA₅₁₂ (Fig. 2) and EA₅₁₂ (Fig. 3.)
FFT	4096 samples, von Hann window, 97% overlap

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